Wall anchor



FIG. 1 is a perspective view of our ornamental design of the wall anchor;

FIG. 2 is a left side view of the wall anchor of FIG. 1, the opposite view being a mirror image thereof;

FIG. 3 is a top plan view of the wall anchor of FIG. 1;

FIG. 4 is a bottom plan view of the wall anchor of FIG. 1;

FIG. 5 is a rear view of the wall anchor of FIG. 1; and,

FIG. 6 is a front view of the wall anchor of FIG. 1.

The broken lines in the drawings illustrate portions of the wall anchor and form no part of the claimed design. 

CLAIM I claim the ornamental design for a wall anchor, as shown and described. 